“Tottenham sold a player for £80m, spent £110m and ended up worse off,” Harris added. “Arsene doesn’t think you should bring in more than three first-team players in one season because it takes too long for them to link up.

“He knows how to produce good players, too. We’ve got four or five very good youngsters coming through.

“With a bit of luck with injuries, I think we can challenge strongly for the Premier League and Champions League.”